src/java.base/unix/classes/sun/nio/fs/UnixConstants.java.template

*** 25,34 ****
--- 25,36 ----
   *
   */
  
  @@END_COPYRIGHT@@
  
+ #define _GNU_SOURCE
+ 
  #include <stdio.h>
  #include <errno.h>
  #include <unistd.h>
  #include <fcntl.h>
  #include <sys/stat.h>
*** 53,62 ****
--- 55,65 ----
      static final int PREFIX_O_APPEND = O_APPEND;
      static final int PREFIX_O_CREAT = O_CREAT;
      static final int PREFIX_O_EXCL = O_EXCL;
      static final int PREFIX_O_TRUNC = O_TRUNC;
      static final int PREFIX_O_SYNC = O_SYNC;
+     static final int PREFIX_O_DIRECT = O_DIRECT;
  
  #ifndef O_DSYNC
      // At least FreeBSD doesn't define O_DSYNC
      static final int PREFIX_O_DSYNC = O_SYNC;
  #else